Dyfyniad APA

Stamp,. (1966). Intermediate commercial geography (12th ed.). Longmans.

Dyfyniad Arddull Chicago

Stamp. Intermediate Commercial Geography. 12th ed. London: Longmans, 1966.

Dyfyniad MLA

Stamp. Intermediate Commercial Geography. 12th ed. Longmans, 1966.

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